A cisgender boy or man who is primarily attracted to women who identify as lesbians/dykes. Often, these women are "butch" and/or masculine in presentation. This is a counterpart to "girlfag" and not the same as a heterosexual man who gets turned on by women being sexual together.
Jack is such a boydyke - he's always hitting on butches at the bar.
by jackbnimble17 March 29, 2010